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authorbors <bors@rust-lang.org>2023-03-02 05:27:32 +0000
committerbors <bors@rust-lang.org>2023-03-02 05:27:32 +0000
commit18caf88956ecf454e24307e598b8ac9967f10b07 (patch)
treebdbde06d9ce62e4de233cda1d46d8c8a27e7e1c7 /tests/ui/numbers-arithmetic
parent864b6258fc7b493aec01f980b31ff23901c0edae (diff)
parent565de58dd705e6b4dc1adda0f96b102360276ef5 (diff)
downloadrust-18caf88956ecf454e24307e598b8ac9967f10b07.tar.gz
rust-18caf88956ecf454e24307e598b8ac9967f10b07.zip
Auto merge of #107879 - icedrocket:update-llvm, r=cuviper
Update LLVM submodule

Fixes #105626
Diffstat (limited to 'tests/ui/numbers-arithmetic')
-rw-r--r--tests/ui/numbers-arithmetic/issue-105626.rs17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/numbers-arithmetic/issue-105626.rs b/tests/ui/numbers-arithmetic/issue-105626.rs
new file mode 100644
index 00000000000..f97edd510c9
--- /dev/null
+++ b/tests/ui/numbers-arithmetic/issue-105626.rs
@@ -0,0 +1,17 @@
+// run-pass
+// only-x86
+// min-system-llvm-version: 16
+// compile-flags: -Ctarget-feature=+sse2
+
+use std::hint::black_box;
+
+fn main() {
+    let n: i64 = black_box(0x3fffffdfffffff);
+    let r = f32::from_bits(0x5a7fffff);
+
+    assert_ne!((n as f64) as f32, n as f32);
+
+    // FIXME: these assertions fail if only x87 is enabled
+    assert_eq!(n as i64 as f32, r);
+    assert_eq!(n as u64 as f32, r);
+}